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213870 (2003 SQ173)
Classification: Main-belt Asteroid          SPK-ID: 2213870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304609816590548 3.5716e-08  
a 2.407085549497971 1.2362e-08 au
q 2.093054805773141 8.4802e-08 au
i 4.062858001120892 5.0985e-06 deg
node 221.8927853294363 7.3413e-05 deg
peri 208.5833264475213 7.7797e-05 deg
M 169.5954654192584 2.6045e-05 deg
tp 2458557.890042714734
(2019-Mar-15.39004271)
9.711e-05 TDB
period 1364.067040653471
3.73
1.0508e-05
2.877e-08
d
yr
n .26391664725477 2.033e-09 deg/d
Q 2.721116293222802 1.3974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7007 days (19.18 yr)  
   first obs. used      2001-02-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:26  

Additional Information
 Earth MOID = 1.1078 au 
 Jupiter MOID = 2.54168 au 
 T_jup = 3.507 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.96   n/a E2021B55  

213870 (2003 SQ173)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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